feat(FileExplorer): add prev dir action on Y and Square thanks to @Vector_null

Signed-off-by: Boris Yumankulov <boria138@altlinux.org>

portprotonqt/dialogs.py

@@ -216,6 +216,26 @@ class FileExplorer(QDialog):
             self.file_signal.file_selected.emit(os.path.normpath(full_path))
             self.accept()
 
+    def previous_dir(self):
+        """Возврат к родительской директории"""
+        try:
+            if self.current_path == "/":
+                return  # Уже в корне
+
+            # Нормализуем путь (убираем конечный слеш, если есть)
+            normalized_path = os.path.normpath(self.current_path)
+            # Получаем родительскую директорию
+            parent_dir = os.path.dirname(normalized_path)
+
+            if not parent_dir:
+                parent_dir = "/"
+
+            self.current_path = parent_dir
+            self.update_file_list()
+        except Exception as e:
+            logger.error(f"Error navigating to parent directory: {e}")
+
+
     def update_drives_list(self):
         """Обновление списка смонтированных дисков"""
         for i in reversed(range(self.drives_layout.count())):

portprotonqt/input_manager.py

@@ -44,6 +44,7 @@ BUTTONS = {
     'confirm':   {ecodes.BTN_SOUTH},               # A (Xbox) / Cross (PS)
     'back':      {ecodes.BTN_EAST},                # B (Xbox) / Circle (PS)
     'add_game':  {ecodes.BTN_NORTH},               # X (Xbox) / Triangle (PS)
+    'prev_dir':  {ecodes.BTN_WEST},                # Y (Xbox) / Square (PS)
     'prev_tab':  {ecodes.BTN_TL},                  # LB (Xbox) / L1 (PS)
     'next_tab':  {ecodes.BTN_TR},                  # RB (Xbox) / R1 (PS)
     'context_menu': {ecodes.BTN_START},            # Start (Xbox) / Options (PS)
@@ -161,10 +162,12 @@ class InputManager(QObject):
             if not self.file_explorer or not hasattr(self.file_explorer, 'file_list'):
                 return
 
-            if button_code in BUTTONS['confirm']:  # Кнопка A
+            if button_code in BUTTONS['confirm']:
                 self.file_explorer.select_item()
-            elif button_code in BUTTONS['back']:  # Кнопка B
+            elif button_code in BUTTONS['back']:
                 self.file_explorer.close()
+            elif button_code in BUTTONS['prev_dir']:
+                self.file_explorer.previous_dir()
             else:
                 if self.original_button_handler:
                     self.original_button_handler(button_code)